Q: An alternating current is expressed as i = 10 sin 314 t. What is its frequency? एक प्रत्यावर्ती धारा को i = 10 sin 314 t के रूप में व्यक्त किया गया है। इसकी आवृत्ति कितनी है?
A.
100 Hz
B.
31.4 Hz
C.
314 Hz
D.
50 Hz
Correct Answer:
Option D -
Explanations:
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